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233057525 = 529322301
BaseRepresentation
bin11011110010000…
…10110011110101
3121020112112211012
431321002303311
5434130320100
635043122005
75526646001
oct1571026365
9536475735
10233057525
1110a611628
1266073305
133938cb7c
1422d49701
15156d9135
hexde42cf5

233057525 has 6 divisors (see below), whose sum is σ = 288991362. Its totient is φ = 186446000.

The previous prime is 233057521. The next prime is 233057527. The reversal of 233057525 is 525750332.

It can be written as a sum of positive squares in 3 ways, for example, as 128881 + 232928644 = 359^2 + 15262^2 .

It is not a de Polignac number, because 233057525 - 22 = 233057521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233057491 and 233057500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233057521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4661126 + ... + 4661175.

It is an arithmetic number, because the mean of its divisors is an integer number (48165227).

Almost surely, 2233057525 is an apocalyptic number.

233057525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233057525 is a deficient number, since it is larger than the sum of its proper divisors (55933837).

233057525 is an equidigital number, since it uses as much as digits as its factorization.

233057525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322311 (or 9322306 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 233057525 is about 15266.2217002112. The cubic root of 233057525 is about 615.3955857119.

The spelling of 233057525 in words is "two hundred thirty-three million, fifty-seven thousand, five hundred twenty-five".

Divisors: 1 5 25 9322301 46611505 233057525